BR112013018737A2 - quantization parameter change signaling for high efficiency video coding (hevc) encoded units - Google Patents
quantization parameter change signaling for high efficiency video coding (hevc) encoded unitsInfo
- Publication number
- BR112013018737A2 BR112013018737A2 BR112013018737A BR112013018737A BR112013018737A2 BR 112013018737 A2 BR112013018737 A2 BR 112013018737A2 BR 112013018737 A BR112013018737 A BR 112013018737A BR 112013018737 A BR112013018737 A BR 112013018737A BR 112013018737 A2 BR112013018737 A2 BR 112013018737A2
- Authority
- BR
- Brazil
- Prior art keywords
- quantization parameter
- hevc
- high efficiency
- video coding
- efficiency video
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
sinalização de mudanças de parâmetro de quantização para unidades codificadas em codiciação de vídeo de alta eficiência (hevc) em um exemplo, esta descrição descreve um método de decodificação de dados de vídeo. o método compreende receber uma unidade de codificação (cu) de dados de vídeo codificados. a cu é particionada em um conjunto de unidades codificadas (cus) dimensionada em bloco de acordo com um esquema de particionamento por quadtree e decodifica um ou mais elementos de sintaxe para a cu para indicar uma mudança em um parâmetro de quantização para a cu relativa a um parâmetro de quantização previsto para cu apenas se a cu inclui quaisquer coeficientes de transformada não-zero. os um ou mais elementos de sintaxe são decodificados a partir de uma posição dentro dos dados de vídeo codificados após uma indicação de que a irá incluir, pelo menos, alguns coeficientes de transformada não-zero, e antes dos coeficientes de transformada para a cu.quantization parameter change signaling for high efficiency video coding (hevc) encoded units in one example, this description describes a method of decoding video data. the method comprises receiving a coding unit (cu) of encoded video data. cu is partitioned into a block-sized set of encoded units (cus) according to a quadtree partitioning scheme and decodes one or more syntax elements into cu to indicate a change in a quantization parameter for cu relative to a quantization parameter predicted for cu only if cu includes any non-zero transform coefficients. one or more syntax elements are decoded from a position within the encoded video data after an indication that it will include at least some non-zero transform coefficients, and before the transform coefficients for cu.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161435750P | 2011-01-24 | 2011-01-24 | |
US13/252,600 US20120189052A1 (en) | 2011-01-24 | 2011-10-04 | Signaling quantization parameter changes for coded units in high efficiency video coding (hevc) |
PCT/US2012/021096 WO2012102867A1 (en) | 2011-01-24 | 2012-01-12 | Signaling quantization parameter changes for coded units in high efficiency video coding (hevc) |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112013018737A2 true BR112013018737A2 (en) | 2016-10-25 |
Family
ID=46544158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112013018737A BR112013018737A2 (en) | 2011-01-24 | 2012-01-12 | quantization parameter change signaling for high efficiency video coding (hevc) encoded units |
Country Status (15)
Country | Link |
---|---|
US (1) | US20120189052A1 (en) |
EP (1) | EP2668783A1 (en) |
JP (1) | JP2014506752A (en) |
KR (1) | KR101540529B1 (en) |
CN (1) | CN103329529B (en) |
AU (1) | AU2012209501B2 (en) |
BR (1) | BR112013018737A2 (en) |
CA (1) | CA2824506C (en) |
IL (1) | IL227286A (en) |
MY (1) | MY165722A (en) |
RU (1) | RU2546590C2 (en) |
SG (1) | SG191404A1 (en) |
TW (1) | TWI520580B (en) |
UA (1) | UA109048C2 (en) |
WO (1) | WO2012102867A1 (en) |
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WO2015013850A1 (en) * | 2013-07-29 | 2015-02-05 | 北京大学深圳研究生院 | Transformation and quantization method in hevc video coding and video coding device |
US10110895B2 (en) | 2013-12-13 | 2018-10-23 | Qualcomm Incorporated | Signaling of simplified depth coding (SDC) for depth intra- and inter-prediction modes in 3D video coding |
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-
2011
- 2011-10-04 US US13/252,600 patent/US20120189052A1/en not_active Abandoned
-
2012
- 2012-01-12 SG SG2013050232A patent/SG191404A1/en unknown
- 2012-01-12 WO PCT/US2012/021096 patent/WO2012102867A1/en active Application Filing
- 2012-01-12 CN CN201280005742.2A patent/CN103329529B/en active Active
- 2012-01-12 RU RU2013139174/08A patent/RU2546590C2/en active
- 2012-01-12 JP JP2013551989A patent/JP2014506752A/en active Pending
- 2012-01-12 BR BR112013018737A patent/BR112013018737A2/en not_active Application Discontinuation
- 2012-01-12 MY MYPI2013002492A patent/MY165722A/en unknown
- 2012-01-12 EP EP12703373.6A patent/EP2668783A1/en not_active Withdrawn
- 2012-01-12 KR KR1020137022440A patent/KR101540529B1/en active IP Right Grant
- 2012-01-12 CA CA2824506A patent/CA2824506C/en active Active
- 2012-01-12 AU AU2012209501A patent/AU2012209501B2/en active Active
- 2012-01-17 TW TW101101812A patent/TWI520580B/en active
- 2012-12-01 UA UAA201310331A patent/UA109048C2/en unknown
-
2013
- 2013-07-01 IL IL227286A patent/IL227286A/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
AU2012209501B2 (en) | 2016-02-18 |
AU2012209501A1 (en) | 2013-08-01 |
CN103329529A (en) | 2013-09-25 |
UA109048C2 (en) | 2015-07-10 |
WO2012102867A1 (en) | 2012-08-02 |
IL227286A0 (en) | 2013-09-30 |
RU2546590C2 (en) | 2015-04-10 |
US20120189052A1 (en) | 2012-07-26 |
CN103329529B (en) | 2016-11-02 |
CA2824506A1 (en) | 2012-08-02 |
TW201246938A (en) | 2012-11-16 |
IL227286A (en) | 2017-09-28 |
TWI520580B (en) | 2016-02-01 |
SG191404A1 (en) | 2013-08-30 |
RU2013139174A (en) | 2015-03-10 |
EP2668783A1 (en) | 2013-12-04 |
KR20130119489A (en) | 2013-10-31 |
KR101540529B1 (en) | 2015-07-29 |
CA2824506C (en) | 2016-09-06 |
MY165722A (en) | 2018-04-20 |
JP2014506752A (en) | 2014-03-17 |
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Legal Events
Date | Code | Title | Description |
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B15K | Others concerning applications: alteration of classification |
Ipc: H04N 19/124 (2014.01), H04N 19/176 (2014.01), H04N |
|
B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |